4ct Topaz (Emerald, 10.57×7.83mm, Blue) vs 0.54ct Sapphire (Round, 4.87×4.87mm, Blue)
Quick summary: When looked from above (face-up position), 4ct Topaz (10.57×7.83mm, emerald cut) appears 4.1 times larger than 0.54ct Sapphire (4.87×4.87mm, round cut). See below how they compare side-by-side on a ring and finger.
| 4ct Topaz (emerald cut) |
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0.54ct Sapphire (round cut) |
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blue |
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| 10.57×7.83 mm | 4.87×4.87 mm | |
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Actual sizes of
4ct Topaz Emerald (10.57×7.83mm, Blue)
and
0.54ct Sapphire Round (4.87×4.87mm, Blue)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Sapphire will face-up smaller than Topaz for a given
carat weight, because it has higher specific gravity
(4 vs. 3.53 - this means it's "heavier" compared to Topaz of the same size). Face-up size also depends heavily on the
proportions of the cut.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
| 4 Ct Topaz (Emerald) | 0.54 Ct Sapphire (Round) | |
| 10.57×7.83 mm | vs | 4.87×4.87 mm |
| 76.97 mm² | 18.63 mm² |
| 4ct Topaz Emerald (10.57×7.83mm) | |
| 0.54ct Sapphire Round (4.87×4.87mm) | |
| Difference: 313% (58.34 mm²) |
4ct Topaz Emerald (10.57×7.83mm) has approx. 313% more face-up area than 0.54ct Sapphire Round (4.87×4.87mm). In other words, it's 4.13x larger.
Popular comparisons:
- 4ct Topaz (Emerald, Blue, 10.57 x 7.83) vs. 1ct Topaz (Round, Blue, 6.23 x 6.23)
- 4ct Topaz (Emerald, Blue, 10.57 x 7.83) vs. 4ct Aquamarine (Emerald, Light Blue, 11.56 x 8.56)
- 4ct Topaz (Emerald, Blue, 10.57 x 7.83) vs. 3ct Diamond (Cushion, White, 8.4 x 8.4)
- 4ct Topaz (Emerald, Blue, 10.57 x 7.83) vs. 3ct Diamond (Round, White, 9.37 x 9.37)
- 4ct Topaz (Emerald, Blue, 10.57 x 7.83) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 10ct Topaz (Emerald, White, 14 x 11) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.5ct Topaz (Emerald, Blue, 5.28 x 3.91) vs. 0.6ct Topaz (Emerald, Blue, 5.62 x 4.16)
- 11ct Topaz (Emerald, Blue, 14.81 x 10.97) vs. 11ct Diamond (Emerald, White, 14.86 x 11.01)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.